Main Engine 4-Stroke · Main Engines (4-Stroke)
The Caterpillar 8V3508B is a medium‑speed V‑type 8‑cylinder diesel main engine delivering about 840 kW at 1800 rpm, designed for reliable propulsion and auxiliary power on small to mid‑size commercial vessels.
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| oil_change | 400-600 hours |
|---|---|
| fuel_filter_change | 200-400 hours |
| air_filter_change | 1000-1500 hours |
| coolant_change | 2000-3000 hours |
| cylinder_liner | 0.5-1.0 mm oversize |
|---|---|
| piston_rings | 0.5-1.0 mm wear on ring grooves |
| valve_clearance | 0.2-0.5 mm |
Ranges are typical for this design class. Always confirm against the manufacturer documentation for your serial number.
Class surveyor will typically check engine condition, maintenance records, and verify compliance with regulatory requirements such as those related to emissions and safety equipment
Estimated lifetime: 15000-20000 hours
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